diff --git a/tasks/RedHat.yaml b/tasks/RedHat.yaml
index b7b4fd2..952d022 100644
--- a/tasks/RedHat.yaml
+++ b/tasks/RedHat.yaml
@@ -8,7 +8,7 @@
     gpgcheck: "{{ item.gpgcheck | default('no') }}"
     enabled: "{{ item.enabled | default('yes') }}"
     repo_gpgcheck: "{{ item.repo_gpgcheck | default('no') }}"
-    gpgkey: "{{ item.gpgkey | default('omit') }}"
+    gpgkey: "{{ item.gpgkey | default(omit) }}"
   loop: "{{ postgres_exporter_rpm_repository }}"
 
 - name: Modify crypto policy for RHEL 9 before key import